stack_wallet/lib/services/coins/manager.dart

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import 'dart:async';
import 'package:event_bus/event_bus.dart';
import 'package:flutter/material.dart';
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import 'package:stackwallet/db/hive/db.dart';
import 'package:stackwallet/models/balance.dart';
import 'package:stackwallet/models/isar/models/isar_models.dart' as isar_models;
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import 'package:stackwallet/models/models.dart';
import 'package:stackwallet/services/coins/coin_service.dart';
import 'package:stackwallet/services/event_bus/events/global/node_connection_status_changed_event.dart';
import 'package:stackwallet/services/event_bus/events/global/updated_in_background_event.dart';
import 'package:stackwallet/services/event_bus/global_event_bus.dart';
import 'package:stackwallet/services/mixins/coin_control_interface.dart';
import 'package:stackwallet/services/mixins/paynym_wallet_interface.dart';
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import 'package:stackwallet/utilities/amount/amount.dart';
import 'package:stackwallet/services/mixins/xpubable.dart';
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import 'package:stackwallet/utilities/enums/coin_enum.dart';
import 'package:stackwallet/utilities/logger.dart';
class Manager with ChangeNotifier {
final CoinServiceAPI _currentWallet;
StreamSubscription<dynamic>? _backgroundRefreshListener;
StreamSubscription<dynamic>? _nodeStatusListener;
/// optional eventbus parameter for testing only
Manager(this._currentWallet, [EventBus? globalEventBusForTesting]) {
final bus = globalEventBusForTesting ?? GlobalEventBus.instance;
_backgroundRefreshListener = bus.on<UpdatedInBackgroundEvent>().listen(
(event) async {
if (event.walletId == walletId) {
notifyListeners();
Logging.instance.log(
"UpdatedInBackgroundEvent activated notifyListeners() in Manager instance $hashCode $walletName with: ${event.message}",
level: LogLevel.Info);
}
},
);
_nodeStatusListener = bus.on<NodeConnectionStatusChangedEvent>().listen(
(event) async {
if (event.walletId == walletId) {
notifyListeners();
Logging.instance.log(
"NodeConnectionStatusChangedEvent activated notifyListeners() in Manager instance $hashCode $walletName with: ${event.newStatus}",
level: LogLevel.Info);
}
},
);
}
bool _isActiveWallet = false;
bool get isActiveWallet => _isActiveWallet;
set isActiveWallet(bool isActive) {
if (_isActiveWallet != isActive) {
_isActiveWallet = isActive;
_currentWallet.onIsActiveWalletChanged?.call(isActive);
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//todo: check if print needed
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debugPrint(
"wallet ID: ${_currentWallet.walletId} is active set to: $isActive");
} else {
debugPrint("wallet ID: ${_currentWallet.walletId} is still: $isActive");
}
}
Future<void> updateNode(bool shouldRefresh) async {
await _currentWallet.updateNode(shouldRefresh);
}
CoinServiceAPI get wallet => _currentWallet;
bool get hasBackgroundRefreshListener => _backgroundRefreshListener != null;
Coin get coin => _currentWallet.coin;
bool get isRefreshing => _currentWallet.isRefreshing;
bool get shouldAutoSync => _currentWallet.shouldAutoSync;
set shouldAutoSync(bool shouldAutoSync) =>
_currentWallet.shouldAutoSync = shouldAutoSync;
bool get isFavorite => _currentWallet.isFavorite;
set isFavorite(bool markFavorite) {
_currentWallet.isFavorite = markFavorite;
notifyListeners();
}
@override
dispose() async {
await exitCurrentWallet();
super.dispose();
}
Future<Map<String, dynamic>> prepareSend({
required String address,
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required Amount amount,
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Map<String, dynamic>? args,
}) async {
try {
final txInfo = await _currentWallet.prepareSend(
address: address,
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amount: amount,
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args: args,
);
// notifyListeners();
return txInfo;
} catch (e) {
// rethrow to pass error in alert
rethrow;
}
}
Future<String> confirmSend({required Map<String, dynamic> txData}) async {
try {
final txid = await _currentWallet.confirmSend(txData: txData);
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try {
txData["txid"] = txid;
await _currentWallet.updateSentCachedTxData(txData);
} catch (e, s) {
// do not rethrow as that would get handled as a send failure further up
// also this is not critical code and transaction should show up on \
// refresh regardless
Logging.instance.log("$e\n$s", level: LogLevel.Warning);
}
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notifyListeners();
return txid;
} catch (e) {
// rethrow to pass error in alert
rethrow;
}
}
Future<FeeObject> get fees => _currentWallet.fees;
Future<int> get maxFee => _currentWallet.maxFee;
Future<String> get currentReceivingAddress =>
_currentWallet.currentReceivingAddress;
Balance get balance => _currentWallet.balance;
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Future<List<isar_models.Transaction>> get transactions =>
_currentWallet.transactions;
Future<List<isar_models.UTXO>> get utxos => _currentWallet.utxos;
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Future<void> refresh() async {
await _currentWallet.refresh();
notifyListeners();
}
// setter for updating on rename
set walletName(String newName) {
if (newName != _currentWallet.walletName) {
_currentWallet.walletName = newName;
notifyListeners();
}
}
String get walletName => _currentWallet.walletName;
String get walletId => _currentWallet.walletId;
bool validateAddress(String address) =>
_currentWallet.validateAddress(address);
Future<List<String>> get mnemonic => _currentWallet.mnemonic;
Future<String?> get mnemonicPassphrase => _currentWallet.mnemonicPassphrase;
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Future<bool> testNetworkConnection() =>
_currentWallet.testNetworkConnection();
Future<void> initializeNew() => _currentWallet.initializeNew();
Future<void> initializeExisting() => _currentWallet.initializeExisting();
Future<void> recoverFromMnemonic({
required String mnemonic,
String? mnemonicPassphrase,
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required int maxUnusedAddressGap,
required int maxNumberOfIndexesToCheck,
required int height,
}) async {
try {
await _currentWallet.recoverFromMnemonic(
mnemonic: mnemonic,
mnemonicPassphrase: mnemonicPassphrase,
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maxUnusedAddressGap: maxUnusedAddressGap,
maxNumberOfIndexesToCheck: maxNumberOfIndexesToCheck,
height: height,
);
} catch (e, s) {
Logging.instance.log("e: $e, S: $s", level: LogLevel.Error);
rethrow;
}
}
Future<void> exitCurrentWallet() async {
final name = _currentWallet.walletName;
final id = _currentWallet.walletId;
await _backgroundRefreshListener?.cancel();
_backgroundRefreshListener = null;
await _nodeStatusListener?.cancel();
_nodeStatusListener = null;
await _currentWallet.exit();
Logging.instance.log("manager.exitCurrentWallet completed for $id $name",
level: LogLevel.Info);
}
Future<void> fullRescan(
int maxUnusedAddressGap, int maxNumberOfIndexesToCheck) async {
try {
await _currentWallet.fullRescan(
maxUnusedAddressGap, maxNumberOfIndexesToCheck);
} catch (e) {
rethrow;
}
}
bool get isConnected => _currentWallet.isConnected;
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Future<Amount> estimateFeeFor(Amount amount, int feeRate) async {
return _currentWallet.estimateFeeFor(amount, feeRate);
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}
Future<bool> generateNewAddress() async {
final success = await _currentWallet.generateNewAddress();
if (success) {
notifyListeners();
}
return success;
}
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int get currentHeight => _currentWallet.storedChainHeight;
bool get hasPaynymSupport => _currentWallet is PaynymWalletInterface;
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bool get hasCoinControlSupport => _currentWallet is CoinControlInterface;
bool get hasTokenSupport => _currentWallet.coin == Coin.ethereum;
bool get hasWhirlpoolSupport => false;
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int get rescanOnOpenVersion =>
DB.instance.get<dynamic>(
boxName: DB.boxNameDBInfo,
key: "rescan_on_open_$walletId",
) as int? ??
0;
Future<void> resetRescanOnOpen() async {
await DB.instance.delete<dynamic>(
key: "rescan_on_open_$walletId",
boxName: DB.boxNameDBInfo,
);
}
bool get hasXPub => _currentWallet is XPubAble;
Future<String> get xpub async {
if (!hasXPub) {
throw Exception(
"Tried to read xpub from wallet that does not support it");
}
return (_currentWallet as XPubAble).xpub;
}
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}